53331413 has 4 divisors (see below), whose sum is σ = 53404320. Its totient is φ = 53258508.

The previous prime is 53331389. The next prime is 53331419. The reversal of 53331413 is 31413335.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53331413 - 2¹⁴ = 53315029 is a prime.

It is a super-2 number, since 2×53331413² = 5688479225153138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53331419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35345 + ... + 36822.

It is an arithmetic number, because the mean of its divisors is an integer number (13351080).

Almost surely, 2^53331413 is an apocalyptic number.

It is an amenable number.

53331413 is a deficient number, since it is larger than the sum of its proper divisors (72907).

53331413 is an equidigital number, since it uses as much as digits as its factorization.

53331413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72906.

The product of its digits is 1620, while the sum is 23.

The square root of 53331413 is about 7302.8359559831. The cubic root of 53331413 is about 376.4098937411.

Adding to 53331413 its reverse (31413335), we get a palindrome (84744748).

The spelling of 53331413 in words is "fifty-three million, three hundred thirty-one thousand, four hundred thirteen".